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melisa1 [442]
2 years ago
5

Help me on this math problem please!! DUE TONIGHT!! Write an equation!

Mathematics
2 answers:
schepotkina [342]2 years ago
6 0

Answer:

(3x+8)°+(x+4)° = 180,

x=42

Step-by-step explanation:

They are linear pairs, so the two angles are supplementary or add up to 180°.

1. Format the equation (3x+8)°+(x+4)° = 180

2. Simplify like terms 4x + 12 = 180

3. Subtract 12 on both sides, 4x=168

4. Divide 4 on both sides, x=42

5. Answer is x=42

kotykmax [81]2 years ago
6 0
3x+8=x+4
-x -x
2x+8=4
-4 -4
2x=4
x=2
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